/Engine/Source/Developer/DesktopPlatform/Public/IDesktopPlatform.h
[EFontImportFlags](API\Developer\DesktopPlatform\EFontImportFlags) & operator^= ( [EFontImportFlags](API\Developer\DesktopPlatform\EFontImportFlags) & Lhs, [EFontImportFlags](API\Developer\DesktopPlatform\EFontImportFlags) Rhs )